44022142121 has 8 divisors (see below), whose sum is σ = 45784373184. Its totient is φ = 42293477520.

The previous prime is 44022142111. The next prime is 44022142189. The reversal of 44022142121 is 12124122044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44022142121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44022142111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8388941 + ... + 8394186.

It is an arithmetic number, because the mean of its divisors is an integer number (5723046648).

Almost surely, 2^44022142121 is an apocalyptic number.

It is an amenable number.

44022142121 is a deficient number, since it is larger than the sum of its proper divisors (1762231063).

44022142121 is a wasteful number, since it uses less digits than its factorization.

44022142121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16783231.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 44022142121 its reverse (12124122044), we get a palindrome (56146264165).

The spelling of 44022142121 in words is "forty-four billion, twenty-two million, one hundred forty-two thousand, one hundred twenty-one".